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The Declaration • March 6, 2015 • https://thedeclarationatcoloniahigh.com/9382/fun-factofthe-day/octopuses-have-three-hearts/
Octopuses have three hearts.
The Declaration • March 6, 2015 • https://thedeclarationatcoloniahigh.com/9382/fun-factofthe-day/octopuses-have-three-hearts/
Photo via Wikipedia under the Creative Commons License.